Twin roller



FIG. 1 is a front elevational view of a twin roller in accordance withmy invention;

FIG. 2 is a right-side elevational view of the twin roller of FIG. 1;

FIG. 3 is a rear elevational view of the twin roller of FIG. 1;

FIG. 4 is a left-side elevational view of the twin roller of FIG. 1;

FIG. 5 is a top view of the twin roller of FIG. 1;

FIG. 6 is a bottom view of the twin roller of FIG. 1; and,

FIG. 7 is a perspective view showing rear and side portions of the twinroller of FIG. 1.

The ornamental design for a twin roller, as shown and described.